The spark stream is generally shorter and thinner, with a subdued orange tone due to alloy elements like chromium and nickel, which dampen the sparking. These produce fewer sparks than carbon steel, ...

Grade 304 is essentially an austenitic chromium alloy which is also called an “18/8” stainless because the make-up of the steel is 8% nickel and 18% chromium. The chromium content promotes the ...